ID: 250

AQSQID: 080013001

Site Name: Welby - 78th Ave. & Steele St.

Added: April 21, 2020, 6:24 p.m.

Updated: Dec. 2, 2020, 8:41 a.m.

Location: Denver (Steele St), CO

Reporting: True, Located: True

Current AQI: 31.0

Denver (Steele St) CO, US: 39.8392, -104.9489

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 2, 2020, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) 0.12 ppb (2) 4.7 μg/m3 (5) N/A 31.0
 
Dec. 2, 2020, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.12 ppb (2) 5.1 μg/m3 (5) N/A 31.0
 
Dec. 2, 2020, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.12 ppb (2) 3.4 μg/m3 (4) N/A 32.0
 
Dec. 2, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.12 ppb (2) 0.9 μg/m3 (1) N/A 29.0
 
Dec. 2, 2020, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.17 ppb (3) 5.0 μg/m3 (5) N/A 31.0
 
Dec. 2, 2020, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.18 ppb (3) 7.5 μg/m3 (7) N/A 30.0
 
Dec. 2, 2020, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (27) 0.18 ppb (3) 9.6 μg/m3 (9) N/A 27.0
 
Dec. 2, 2020, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.18 ppb (3) 9.8 μg/m3 (10) N/A 28.0
 
Dec. 1, 2020, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (31) 0.17 ppb (3) 40.8 μg/m3 (38) N/A 38.0
 
Dec. 1, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.17 ppb (3) 26.0 μg/m3 (25) N/A 33.0
 
Dec. 1, 2020, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.15 ppb (2) 20.9 μg/m3 (20) N/A 35.0
 
Dec. 1, 2020, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.14 ppb (2) 26.9 μg/m3 (25) N/A 35.0
 
Dec. 1, 2020, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.14 ppb (2) 18.8 μg/m3 (18) N/A 33.0
 
Dec. 1, 2020, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.14 ppb (2) 14.1 μg/m3 (14) N/A 34.0
 
Dec. 1, 2020, 5 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 33.0 ppb (31) 0.18 ppb (3) 26.4 μg/m3 (25) N/A 31.0
 
Dec. 1, 2020, 4 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 24.0 ppb (23) 0.23 ppb (3) 47.2 μg/m3 (44) N/A 44.0
 
Dec. 1, 2020, 3 p.m. N/A N/A N/A 38.0 ppb (36) N/A N/A N/A N/A 60.4 μg/m3 (54) N/A 54.0
 
Dec. 1, 2020, 2 p.m. N/A N/A N/A 38.0 ppb (36) N/A 1.0 ppb (2) 1.0 ppb (1) 0.62 ppb (7) 84.8 μg/m3 (66) N/A 66.0
 
Dec. 1, 2020, 1 p.m. N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) 1.0 ppb (1) 0.47 ppb (6) 42.4 μg/m3 (40) N/A 40.0
 
Dec. 1, 2020, noon N/A N/A N/A 31.0 ppb (30) N/A 0.0 ppb (0) 2.0 ppb (2) 0.32 ppb (4) 30.1 μg/m3 (28) N/A 30.0
 
Dec. 1, 2020, 11 a.m. N/A N/A N/A 30.0 ppb (29) N/A 0.0 ppb (0) 4.0 ppb (4) 0.37 ppb (5) 14.1 μg/m3 (14) N/A 29.0
 
Dec. 1, 2020, 10 a.m. N/A N/A N/A 34.0 ppb (33) N/A 0.0 ppb (0) 2.0 ppb (2) 0.39 ppb (5) 24.8 μg/m3 (23) N/A 33.0
 
Dec. 1, 2020, 9 a.m. N/A N/A N/A 24.0 ppb (23) N/A 0.0 ppb (0) 12.0 ppb (12) 0.31 ppb (4) 35.2 μg/m3 (33) N/A 33.0
 
Dec. 1, 2020, 8 a.m. N/A N/A N/A 22.0 ppb (21) N/A 0.0 ppb (0) 18.0 ppb (17) 0.28 ppb (4) 18.1 μg/m3 (17) N/A 21.0
 
Dec. 1, 2020, 7 a.m. N/A N/A N/A 39.0 ppb (37) N/A 0.0 ppb (0) 1.0 ppb (1) 0.36 ppb (5) 23.3 μg/m3 (22) N/A 37.0
 
Dec. 1, 2020, 6 a.m. N/A N/A N/A 32.0 ppb (31) N/A 0.0 ppb (0) 7.0 ppb (7) 0.32 ppb (4) 19.4 μg/m3 (18) N/A 31.0
 
Dec. 1, 2020, 5 a.m. N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) 6.0 ppb (6) 0.51 ppb (6) 15.7 μg/m3 (15) N/A 34.0
 
Dec. 1, 2020, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 9.0 ppb (9) 0.6 ppb (7) 50.3 μg/m3 (47) N/A 47.0
 
Dec. 1, 2020, 3 a.m. N/A N/A N/A 30.0 ppb (29) N/A 0.0 ppb (0) 13.0 ppb (13) 0.32 ppb (4) 24.0 μg/m3 (23) N/A 29.0
 
Dec. 1, 2020, 2 a.m. N/A N/A N/A 21.0 ppb (20) N/A 0.0 ppb (0) 23.0 ppb (22) 0.42 ppb (5) 38.5 μg/m3 (36) N/A 36.0
 
Dec. 1, 2020, 1 a.m. N/A N/A N/A 40.0 ppb (38) N/A 1.0 ppb (2) 3.0 ppb (3) 0.71 ppb (8) 71.3 μg/m3 (60) N/A 60.0
 
Dec. 1, 2020, midnight N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 28.0 ppb (26) 0.31 ppb (4) 30.4 μg/m3 (29) N/A 29.0
 
Nov. 30, 2020, 11 p.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 30.0 ppb (28) 0.22 ppb (3) 29.0 μg/m3 (27) N/A 28.0
 
Nov. 30, 2020, 10 p.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 31.0 ppb (29) 0.24 ppb (3) 30.0 μg/m3 (28) N/A 29.0
 
Nov. 30, 2020, 9 p.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 28.0 ppb (26) 0.31 ppb (4) 34.0 μg/m3 (32) N/A 32.0
 
Nov. 30, 2020, 8 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 30.0 ppb (28) 0.28 ppb (4) 24.6 μg/m3 (23) N/A 28.0
 
Nov. 30, 2020, 7 p.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 27.0 ppb (25) 0.31 ppb (4) 6.7 μg/m3 (7) N/A 25.0
 
Nov. 30, 2020, 6 p.m. N/A N/A N/A 26.0 ppb (25) N/A 0.0 ppb (0) 22.0 ppb (21) 0.33 ppb (4) N/A N/A 25.0
 
Nov. 30, 2020, 5 p.m. N/A N/A N/A 32.0 ppb (31) N/A 1.0 ppb (2) 17.0 ppb (16) 0.41 ppb (5) 51.4 μg/m3 (48) N/A 48.0
 
Nov. 30, 2020, 4 p.m. N/A N/A N/A 45.0 ppb (43) N/A 1.0 ppb (2) 7.0 ppb (7) 0.74 ppb (8) 197.1 μg/m3 (122) N/A 122.0
 
Nov. 30, 2020, 3 p.m. N/A N/A N/A 42.0 ppb (40) N/A 1.0 ppb (2) 5.0 ppb (5) 0.7 ppb (8) 110.5 μg/m3 (79) N/A 79.0
 
Nov. 30, 2020, 2 p.m. N/A N/A N/A 42.0 ppb (40) N/A 1.0 ppb (2) 2.0 ppb (2) 0.78 ppb (10) 54.6 μg/m3 (51) N/A 51.0
 
Nov. 30, 2020, 1 p.m. N/A N/A N/A 41.0 ppb (39) N/A 1.0 ppb (2) 1.0 ppb (1) 0.61 ppb (7) 27.0 μg/m3 (25) N/A 39.0
 
Nov. 30, 2020, noon N/A N/A N/A 39.0 ppb (37) N/A 0.0 ppb (0) 1.0 ppb (1) 0.5 ppb (6) 16.8 μg/m3 (16) N/A 37.0
 
Nov. 30, 2020, 11 a.m. N/A N/A N/A 38.0 ppb (36) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (5) 7.2 μg/m3 (7) N/A 36.0
 
Nov. 30, 2020, 10 a.m. N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) 1.0 ppb (1) 0.36 ppb (5) 8.5 μg/m3 (8) N/A 34.0
 
Nov. 30, 2020, 9 a.m. N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) 1.0 ppb (1) 0.43 ppb (5) 12.3 μg/m3 (12) N/A 34.0
 
Nov. 30, 2020, 8 a.m. N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) 1.0 ppb (1) 0.52 ppb (6) 15.3 μg/m3 (15) N/A 34.0
 
Nov. 30, 2020, 7 a.m. N/A N/A N/A 35.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.55 ppb (7) 18.1 μg/m3 (17) N/A 34.0
 
Nov. 30, 2020, 6 a.m. N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) 1.0 ppb (1) 0.54 ppb (6) 22.0 μg/m3 (21) N/A 34.0
 
Nov. 30, 2020, 5 a.m. N/A N/A N/A 38.0 ppb (36) N/A 0.0 ppb (0) 1.0 ppb (1) 0.57 ppb (7) 29.1 μg/m3 (27) N/A 36.0
 
Nov. 30, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 5.0 ppb (5) 0.38 ppb (5) 17.5 μg/m3 (17) N/A 17.0
 
Nov. 30, 2020, 3 a.m. N/A N/A N/A 28.0 ppb (27) N/A 0.0 ppb (0) 10.0 ppb (10) 0.39 ppb (5) 16.1 μg/m3 (15) N/A 27.0
 
Nov. 30, 2020, 2 a.m. N/A N/A N/A 22.0 ppb (21) N/A 0.0 ppb (0) 17.0 ppb (16) 0.32 ppb (4) 14.5 μg/m3 (14) N/A 21.0
 
Nov. 30, 2020, 1 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 21.0 ppb (20) 0.3 ppb (4) 10.2 μg/m3 (10) N/A 20.0
 
Nov. 30, 2020, midnight N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 23.0 ppb (22) 0.29 ppb (4) 16.5 μg/m3 (16) N/A 22.0
 
Nov. 29, 2020, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.16 ppb (3) 7.6 μg/m3 (8) N/A 36.0
 
Nov. 29, 2020, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) 0.14 ppb (2) 7.5 μg/m3 (7) N/A 38.0
 
Nov. 29, 2020, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) 0.14 ppb (2) 9.2 μg/m3 (9) N/A 39.0
 
Nov. 29, 2020, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.14 ppb (2) 5.7 μg/m3 (6) N/A 38.0
 
Nov. 29, 2020, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.14 ppb (2) 5.5 μg/m3 (6) N/A 38.0
 
Nov. 29, 2020, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) 0.13 ppb (2) 4.6 μg/m3 (5) N/A 37.0
 
Nov. 29, 2020, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.14 ppb (2) 5.2 μg/m3 (5) N/A 36.0
 
Nov. 29, 2020, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (30) 0.16 ppb (3) 8.9 μg/m3 (9) N/A 30.0
 
Nov. 29, 2020, 3 p.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 21.0 ppb (20) 0.29 ppb (4) 8.9 μg/m3 (9) N/A 20.0
 
Nov. 29, 2020, 2 p.m. N/A N/A N/A 32.0 ppb (31) N/A 0.0 ppb (0) 3.0 ppb (3) 0.56 ppb (7) 18.5 μg/m3 (18) N/A 31.0
 
Nov. 29, 2020, 1 p.m. N/A N/A N/A 29.0 ppb (28) N/A 0.0 ppb (0) 3.0 ppb (3) 0.33 ppb (4) 13.9 μg/m3 (13) N/A 28.0
 
Nov. 29, 2020, noon N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 22.0 ppb (21) 0.19 ppb (3) 9.5 μg/m3 (9) N/A 21.0
 
Nov. 29, 2020, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (26) 0.14 ppb (2) 10.7 μg/m3 (10) N/A 26.0
 
Nov. 29, 2020, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (27) 0.14 ppb (2) 7.7 μg/m3 (8) N/A 27.0
 
Nov. 29, 2020, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (25) 0.17 ppb (3) 12.3 μg/m3 (12) N/A 25.0
 
Nov. 29, 2020, 8 a.m. N/A N/A N/A 21.0 ppb (20) N/A 0.0 ppb (0) 12.0 ppb (12) 0.5 ppb (6) 11.4 μg/m3 (11) N/A 20.0
 
Nov. 29, 2020, 7 a.m. N/A N/A N/A 30.0 ppb (29) N/A 0.0 ppb (0) 0.0 ppb (0) 0.9 ppb (11) 31.8 μg/m3 (30) N/A 30.0
 
Nov. 29, 2020, 6 a.m. N/A N/A N/A 32.0 ppb (31) N/A 1.0 ppb (2) 1.0 ppb (1) 0.88 ppb (11) 35.2 μg/m3 (33) N/A 33.0
 
Nov. 29, 2020, 5 a.m. N/A N/A N/A 34.0 ppb (33) N/A 1.0 ppb (2) 1.0 ppb (1) 1.12 ppb (13) 43.4 μg/m3 (41) N/A 41.0
 
Nov. 29, 2020, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 1.0 ppb (1) 0.79 ppb (10) 35.8 μg/m3 (34) N/A 34.0
 
Nov. 29, 2020, 3 a.m. N/A N/A N/A 34.0 ppb (33) N/A 0.0 ppb (0) 1.0 ppb (1) 0.67 ppb (8) 28.3 μg/m3 (27) N/A 33.0
 
Nov. 29, 2020, 2 a.m. N/A N/A N/A 38.0 ppb (36) N/A 1.0 ppb (2) 1.0 ppb (1) 1.31 ppb (15) 54.6 μg/m3 (51) N/A 51.0
 
Nov. 29, 2020, 1 a.m. N/A N/A N/A 39.0 ppb (37) N/A 1.0 ppb (2) 1.0 ppb (1) 1.37 ppb (16) 64.1 μg/m3 (56) N/A 56.0
 
Nov. 29, 2020, midnight N/A N/A N/A 34.0 ppb (33) N/A 0.0 ppb (0) 3.0 ppb (3) 0.67 ppb (8) 45.1 μg/m3 (42) N/A 42.0
 
Nov. 28, 2020, 11 p.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 20.0 ppb (19) 0.31 ppb (4) 16.1 μg/m3 (15) N/A 19.0
 
Nov. 28, 2020, 10 p.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 33.0 ppb (31) 0.22 ppb (3) 24.5 μg/m3 (23) N/A 31.0
 
Nov. 28, 2020, 9 p.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 36.0 ppb (34) 0.26 ppb (4) 13.4 μg/m3 (13) N/A 34.0
 
Nov. 28, 2020, 8 p.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 33.0 ppb (31) 0.27 ppb (4) 15.0 μg/m3 (14) N/A 31.0
 
Nov. 28, 2020, 7 p.m. N/A N/A N/A 14.0 ppb (14) N/A 2.0 ppb (3) 31.0 ppb (29) 0.27 ppb (4) 14.9 μg/m3 (14) N/A 29.0
 
Nov. 28, 2020, 6 p.m. N/A N/A N/A 17.0 ppb (17) N/A 2.0 ppb (3) 27.0 ppb (25) 0.29 ppb (4) 20.2 μg/m3 (19) N/A 25.0
 
Nov. 28, 2020, 5 p.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 22.0 ppb (21) 0.32 ppb (4) 21.9 μg/m3 (21) N/A 21.0
 
Nov. 28, 2020, 4 p.m. N/A N/A N/A 26.0 ppb (25) N/A 0.0 ppb (0) 16.0 ppb (15) 0.4 ppb (5) 28.0 μg/m3 (26) N/A 26.0
 
Nov. 28, 2020, 3 p.m. N/A N/A N/A 34.0 ppb (33) N/A 1.0 ppb (2) 8.0 ppb (8) 0.54 ppb (6) 25.0 μg/m3 (24) N/A 33.0
 
Nov. 28, 2020, 2 p.m. N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) 3.0 ppb (3) 0.52 ppb (6) 18.3 μg/m3 (17) N/A 34.0
 
Nov. 28, 2020, 1 p.m. N/A N/A N/A 37.0 ppb (35) N/A 0.0 ppb (0) N/A 0.45 ppb (6) 15.7 μg/m3 (15) N/A 35.0
 
Nov. 28, 2020, noon N/A N/A N/A 37.0 ppb (35) N/A 0.0 ppb (0) N/A 0.4 ppb (5) 10.8 μg/m3 (10) N/A 35.0
 
Nov. 28, 2020, 11 a.m. N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) N/A 0.38 ppb (5) 10.8 μg/m3 (10) N/A 34.0
 
Nov. 28, 2020, 10 a.m. N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) N/A 0.4 ppb (5) 8.8 μg/m3 (9) N/A 34.0
 
Nov. 28, 2020, 9 a.m. N/A N/A N/A 37.0 ppb (35) N/A 0.0 ppb (0) N/A 0.54 ppb (6) 15.8 μg/m3 (15) N/A 35.0
 
Nov. 28, 2020, 8 a.m. N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) N/A 0.64 ppb (7) 21.0 μg/m3 (20) N/A 34.0
 
Nov. 28, 2020, 7 a.m. N/A N/A N/A 38.0 ppb (36) N/A 0.0 ppb (0) 1.0 ppb (1) 0.77 ppb (10) 22.6 μg/m3 (21) N/A 36.0
 
Nov. 28, 2020, 6 a.m. N/A N/A N/A 36.0 ppb (34) N/A 1.0 ppb (2) 1.0 ppb (1) 0.93 ppb (11) 32.8 μg/m3 (31) N/A 34.0
 
Nov. 28, 2020, 5 a.m. N/A N/A N/A 37.0 ppb (35) N/A 1.0 ppb (2) 1.0 ppb (1) 1.04 ppb (12) 36.3 μg/m3 (34) N/A 35.0
 
Nov. 28, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) 1.08 ppb (13) 41.4 μg/m3 (39) N/A 39.0
 
Nov. 28, 2020, 3 a.m. N/A N/A N/A 41.0 ppb (39) N/A 0.0 ppb (0) 1.0 ppb (1) 0.95 ppb (11) 40.9 μg/m3 (38) N/A 39.0
 
Nov. 28, 2020, 2 a.m. N/A N/A N/A 38.0 ppb (36) N/A 0.0 ppb (0) 1.0 ppb (1) 1.02 ppb (12) 48.1 μg/m3 (45) N/A 45.0
 
Nov. 28, 2020, 1 a.m. N/A N/A N/A 39.0 ppb (37) N/A 0.0 ppb (0) 1.0 ppb (1) 0.68 ppb (8) 39.1 μg/m3 (37) N/A 37.0
 
Nov. 28, 2020, midnight N/A N/A N/A 35.0 ppb (34) N/A 0.0 ppb (0) 7.0 ppb (7) 0.4 ppb (5) 34.8 μg/m3 (33) N/A 34.0
 
Nov. 27, 2020, 11 p.m. N/A N/A N/A 27.0 ppb (26) N/A 0.0 ppb (0) 17.0 ppb (16) 0.32 ppb (4) 24.6 μg/m3 (23) N/A 26.0
 
Nov. 27, 2020, 10 p.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 25.0 ppb (24) 0.28 ppb (4) 29.6 μg/m3 (28) N/A 28.0
 
Nov. 27, 2020, 9 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 28.0 ppb (26) 0.29 ppb (4) 25.4 μg/m3 (24) N/A 26.0
 
Nov. 27, 2020, 8 p.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 32.0 ppb (30) 0.25 ppb (3) 16.1 μg/m3 (15) N/A 30.0
 
Nov. 27, 2020, 7 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (32) 0.21 ppb (3) 13.0 μg/m3 (13) N/A 32.0
 
Nov. 27, 2020, 6 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 31.0 ppb (29) 0.27 ppb (4) 12.7 μg/m3 (12) N/A 29.0
 
Nov. 27, 2020, 5 p.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 25.0 ppb (24) 0.28 ppb (4) 22.6 μg/m3 (21) N/A 24.0
 
Nov. 27, 2020, 4 p.m. N/A N/A N/A 22.0 ppb (21) N/A 0.0 ppb (0) 19.0 ppb (18) 0.31 ppb (4) 23.9 μg/m3 (23) N/A 23.0
 
Nov. 27, 2020, 3 p.m. N/A N/A N/A 26.0 ppb (25) N/A 0.0 ppb (0) 10.0 ppb (10) 0.46 ppb (6) 13.3 μg/m3 (13) N/A 25.0
 
Nov. 27, 2020, 2 p.m. N/A N/A N/A 28.0 ppb (27) N/A 0.0 ppb (0) 3.0 ppb (3) 0.45 ppb (6) 19.1 μg/m3 (18) N/A 27.0
 
Nov. 27, 2020, 1 p.m. N/A N/A N/A 31.0 ppb (30) N/A 0.0 ppb (0) 1.0 ppb (1) 0.36 ppb (5) 10.8 μg/m3 (10) N/A 30.0
 
Nov. 27, 2020, noon N/A N/A N/A 33.0 ppb (32) N/A 0.0 ppb (0) 1.0 ppb (1) 0.37 ppb (5) 8.0 μg/m3 (8) N/A 32.0
 
Nov. 27, 2020, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 13.0 ppb (13) 0.22 ppb (3) 4.4 μg/m3 (5) N/A 19.0
 
Nov. 27, 2020, 10 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 4.4 μg/m3 (5) N/A 25.0
 
Nov. 27, 2020, 9 a.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 21.0 ppb (20) 0.2 ppb (3) 7.4 μg/m3 (7) N/A 20.0
 
Nov. 27, 2020, 8 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 13.0 ppb (13) 0.27 ppb (4) 11.5 μg/m3 (11) N/A 18.0
 
Nov. 27, 2020, 7 a.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 20.0 ppb (19) 0.21 ppb (3) 11.9 μg/m3 (12) N/A 19.0
 
Nov. 27, 2020, 6 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 15.0 ppb (14) 0.25 ppb (3) 12.5 μg/m3 (12) N/A 18.0
 
Nov. 27, 2020, 5 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 19.0 ppb (18) 0.24 ppb (3) 10.3 μg/m3 (10) N/A 18.0
 
Nov. 27, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.19 ppb (3) 10.2 μg/m3 (10) N/A 24.0
 
Nov. 27, 2020, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (26) 0.15 ppb (2) 13.6 μg/m3 (13) N/A 26.0
 
Nov. 27, 2020, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) 0.14 ppb (2) 22.8 μg/m3 (22) N/A 32.0
 
Nov. 27, 2020, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (35) 0.14 ppb (2) 11.1 μg/m3 (11) N/A 35.0
 
Nov. 27, 2020, midnight N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 37.0 ppb (35) 0.16 ppb (3) 14.0 μg/m3 (13) N/A 35.0
 
Nov. 26, 2020, 11 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 39.0 ppb (37) 0.16 ppb (3) 10.8 μg/m3 (10) N/A 37.0
 
Nov. 26, 2020, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (38) 0.13 ppb (2) 7.8 μg/m3 (8) N/A 38.0
 
Nov. 26, 2020, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.16 ppb (3) 7.3 μg/m3 (7) N/A 38.0
 
Nov. 26, 2020, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.17 ppb (3) 10.9 μg/m3 (11) N/A 39.0
 
Nov. 26, 2020, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.15 ppb (2) 8.4 μg/m3 (8) N/A 40.0
 
Nov. 26, 2020, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.15 ppb (2) 4.3 μg/m3 (4) N/A 38.0
 
Nov. 26, 2020, 5 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (33) 0.18 ppb (3) 7.7 μg/m3 (8) N/A 33.0
 
Nov. 26, 2020, 4 p.m. N/A N/A N/A 28.0 ppb (27) N/A 1.0 ppb (2) 15.0 ppb (14) 0.38 ppb (5) 31.4 μg/m3 (30) N/A 30.0
 
Nov. 26, 2020, 3 p.m. N/A N/A N/A 32.0 ppb (31) N/A 0.0 ppb (0) 10.0 ppb (10) 0.41 ppb (5) 22.6 μg/m3 (21) N/A 31.0
 
Nov. 26, 2020, 2 p.m. N/A N/A N/A 38.0 ppb (36) N/A 1.0 ppb (2) 2.0 ppb (2) 0.6 ppb (7) 20.1 μg/m3 (19) N/A 36.0
 
Nov. 26, 2020, 1 p.m. N/A N/A N/A 37.0 ppb (35) N/A 1.0 ppb (2) N/A 0.61 ppb (7) 14.6 μg/m3 (14) N/A 35.0
 
Nov. 26, 2020, noon N/A N/A N/A 35.0 ppb (34) N/A 1.0 ppb (2) N/A 0.6 ppb (7) 19.1 μg/m3 (18) N/A 34.0
 
Nov. 26, 2020, 11 a.m. N/A N/A N/A 36.0 ppb (34) N/A 1.0 ppb (2) N/A 0.65 ppb (8) 16.0 μg/m3 (15) N/A 34.0
 
Nov. 26, 2020, 10 a.m. N/A N/A N/A 41.0 ppb (39) N/A 1.0 ppb (2) N/A 0.66 ppb (8) 18.7 μg/m3 (18) N/A 39.0
 
Nov. 26, 2020, 9 a.m. N/A N/A N/A 39.0 ppb (37) N/A 1.0 ppb (2) N/A 0.85 ppb (10) 26.3 μg/m3 (25) N/A 37.0
 
Nov. 26, 2020, 8 a.m. N/A N/A N/A 39.0 ppb (37) N/A 1.0 ppb (2) 1.0 ppb (1) 0.88 ppb (11) 30.9 μg/m3 (29) N/A 37.0
 
Nov. 26, 2020, 7 a.m. N/A N/A N/A 38.0 ppb (36) N/A 2.0 ppb (3) 1.0 ppb (1) 0.91 ppb (11) 25.6 μg/m3 (24) N/A 36.0
 
Nov. 26, 2020, 6 a.m. N/A N/A N/A 43.0 ppb (41) N/A 2.0 ppb (3) 1.0 ppb (1) 1.53 ppb (18) 48.4 μg/m3 (45) N/A 45.0
 
Nov. 26, 2020, 5 a.m. N/A N/A N/A 47.0 ppb (45) N/A 2.0 ppb (3) 1.0 ppb (1) 1.78 ppb (21) 55.0 μg/m3 (51) N/A 51.0
 
Nov. 26, 2020, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 1.0 ppb (1) 1.48 ppb (18) 49.9 μg/m3 (47) N/A 47.0
 
Nov. 26, 2020, 3 a.m. N/A N/A N/A 48.0 ppb (46) N/A 1.0 ppb (2) 1.0 ppb (1) 1.1 ppb (13) 46.4 μg/m3 (43) N/A 46.0
 
Nov. 26, 2020, 2 a.m. N/A N/A N/A 49.0 ppb (47) N/A 1.0 ppb (2) 1.0 ppb (1) 1.0 ppb (12) 46.7 μg/m3 (44) N/A 47.0
 
Nov. 26, 2020, 1 a.m. N/A N/A N/A 50.0 ppb (48) N/A 1.0 ppb (2) 1.0 ppb (1) 1.12 ppb (13) 58.7 μg/m3 (53) N/A 53.0
 
Nov. 26, 2020, midnight N/A N/A N/A 52.0 ppb (50) N/A 1.0 ppb (2) 1.0 ppb (1) 0.82 ppb (10) 64.6 μg/m3 (56) N/A 56.0
 
Nov. 25, 2020, 11 p.m. N/A N/A N/A 48.0 ppb (46) N/A 1.0 ppb (2) 4.0 ppb (4) 0.51 ppb (6) 48.9 μg/m3 (46) N/A 46.0
 
Nov. 25, 2020, 10 p.m. N/A N/A N/A 39.0 ppb (37) N/A 1.0 ppb (2) 14.0 ppb (13) 0.43 ppb (5) 51.2 μg/m3 (48) N/A 48.0
 
Nov. 25, 2020, 9 p.m. N/A N/A N/A 33.0 ppb (32) N/A 1.0 ppb (2) 20.0 ppb (19) 0.46 ppb (6) 53.8 μg/m3 (50) N/A 50.0
 
Nov. 25, 2020, 8 p.m. N/A N/A N/A 25.0 ppb (24) N/A 0.0 ppb (0) 26.0 ppb (25) 0.41 ppb (5) 39.5 μg/m3 (37) N/A 37.0
 
Nov. 25, 2020, 7 p.m. N/A N/A N/A 28.0 ppb (27) N/A 1.0 ppb (2) 26.0 ppb (25) 0.43 ppb (5) 39.5 μg/m3 (37) N/A 37.0
 
Nov. 25, 2020, 6 p.m. N/A N/A N/A 34.0 ppb (33) N/A 1.0 ppb (2) 22.0 ppb (21) 0.5 ppb (6) 49.6 μg/m3 (46) N/A 46.0
 
Nov. 25, 2020, 5 p.m. N/A N/A N/A 31.0 ppb (30) N/A 1.0 ppb (2) 21.0 ppb (20) 0.51 ppb (6) 49.4 μg/m3 (46) N/A 46.0
 
Nov. 25, 2020, 4 p.m. N/A N/A N/A 33.0 ppb (32) N/A 1.0 ppb (2) 16.0 ppb (15) 0.53 ppb (6) 52.2 μg/m3 (49) N/A 49.0
 
Nov. 25, 2020, 3 p.m. N/A N/A N/A 33.0 ppb (32) N/A 1.0 ppb (2) 12.0 ppb (12) 0.55 ppb (7) 56.9 μg/m3 (52) N/A 52.0
 
Nov. 25, 2020, 2 p.m. N/A N/A N/A 39.0 ppb (37) N/A 1.0 ppb (2) 5.0 ppb (5) 0.56 ppb (7) 34.9 μg/m3 (33) N/A 37.0
 
Nov. 25, 2020, 1 p.m. N/A N/A N/A 41.0 ppb (39) N/A 1.0 ppb (2) 1.0 ppb (1) 0.5 ppb (6) 25.7 μg/m3 (24) N/A 39.0
 
Nov. 25, 2020, noon N/A N/A N/A 35.0 ppb (34) N/A 0.0 ppb (0) 2.0 ppb (2) 0.35 ppb (4) 17.6 μg/m3 (17) N/A 34.0
 
Nov. 25, 2020, 11 a.m. N/A N/A N/A 35.0 ppb (34) N/A 0.0 ppb (0) 1.0 ppb (1) 0.29 ppb (4) 11.5 μg/m3 (11) N/A 34.0
 
Nov. 25, 2020, 10 a.m. N/A N/A N/A 34.0 ppb (33) N/A 0.0 ppb (0) 2.0 ppb (2) 0.24 ppb (3) 8.9 μg/m3 (9) N/A 33.0
 
Nov. 25, 2020, 9 a.m. N/A N/A N/A 35.0 ppb (34) N/A 0.0 ppb (0) 1.0 ppb (1) 0.27 ppb (4) 8.8 μg/m3 (9) N/A 34.0
 
Nov. 25, 2020, 8 a.m. N/A N/A N/A 28.0 ppb (27) N/A 0.0 ppb (0) 8.0 ppb (8) 0.24 ppb (3) 9.5 μg/m3 (9) N/A 27.0